/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dubbo.rpc.protocol.tri.stream;

import org.apache.dubbo.rpc.TriRpcStatus;

import java.util.Collections;
import java.util.Map;

public interface ClientStreamListener extends StreamListener {

    void onStart();

    /**
     * Indicate the stream is closed . Will be called exactly once
     *
     * @param rpcStatus
     * @param attachments
     */
    void complete(TriRpcStatus rpcStatus, Map<String, Object> attachments,
        Map<String, String> excludeHeaders);

    default void complete(TriRpcStatus rpcStatus, Map<String, Object> attachments) {
        complete(rpcStatus, attachments, Collections.emptyMap());
    }

    default void complete(TriRpcStatus rpcStatus) {
        complete(rpcStatus, Collections.emptyMap(), Collections.emptyMap());
    }
}
